initial commit

Components.swift

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+import SwiftUI
+
+/// Simple load state for screen view models.
+enum LoadPhase: Equatable {
+    case idle
+    case loading
+    case loaded
+    case failed(String)
+}
+
+// MARK: - State / severity badges
+
+struct StateBadge: View {
+    let text: String
+    let color: Color
+
+    var body: some View {
+        Text(text)
+            .font(.caption2.weight(.semibold))
+            .padding(.horizontal, 8)
+            .padding(.vertical, 3)
+            .background(color.opacity(0.18))
+            .foregroundStyle(color)
+            .clipShape(Capsule())
+    }
+}
+
+extension ONULifecycleState {
+    var color: Color {
+        switch self {
+        case .registered:      return .green
+        case .unspecified:     return .mint      // also "online" (dev guide Procedure 2)
+        case .unprovisioned:   return .blue
+        case .deregistered:    return .gray
+        case .dyingGasp, .disallowedError:                  return .red
+        case .disabled, .disallowedAdmin, .disallowedRegID: return .orange
+        case .unknown:         return .secondary
+        }
+    }
+    var label: String { self == .unknown ? "Unknown" : rawValue }
+}
+
+extension DeviceState {
+    var color: Color {
+        switch self {
+        case .online: return .green
+        case .offline: return .gray
+        case .unattached: return .orange
+        case .preProvisioned: return .blue
+        case .unknown: return .secondary
+        }
+    }
+    var label: String { self == .unknown ? "Unknown" : rawValue }
+}
+
+extension AlarmSeverity {
+    var color: Color {
+        switch self {
+        case .emergency, .alert, .critical: return .red
+        case .error: return .orange
+        case .warning: return .yellow
+        case .notice, .info: return .blue
+        case .debug: return .gray
+        case .unknown: return .secondary
+        }
+    }
+    var label: String { self == .unknown ? "unknown" : rawValue }
+}
+
+struct SeverityBadge: View {
+    let severity: AlarmSeverity
+    var body: some View { StateBadge(text: severity.label, color: severity.color) }
+}
+
+// MARK: - Count tile (dashboard)
+
+struct CountTile: View {
+    let title: String
+    let value: Int
+    var systemImage: String? = nil
+    var tint: Color = .accentColor
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 6) {
+            HStack(spacing: 6) {
+                if let systemImage { Image(systemName: systemImage).foregroundStyle(tint) }
+                Text(title).font(.caption).foregroundStyle(.secondary)
+            }
+            Text("\(value)").font(.system(.title, design: .rounded).weight(.semibold))
+        }
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .padding()
+        .background(Color(.secondarySystemBackground))
+        .clipShape(RoundedRectangle(cornerRadius: 14, style: .continuous))
+    }
+}
+
+// MARK: - Loading / error
+
+struct LoadingView: View {
+    var label: String = "Loading…"
+    var body: some View {
+        VStack(spacing: 12) {
+            ProgressView()
+            Text(label).font(.subheadline).foregroundStyle(.secondary)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+    }
+}
+
+struct ErrorStateView: View {
+    let message: String
+    var retry: (() -> Void)? = nil
+
+    var body: some View {
+        ContentUnavailableView {
+            Label("Something went wrong", systemImage: "exclamationmark.triangle")
+        } description: {
+            Text(message)
+        } actions: {
+            if let retry {
+                Button("Retry", action: retry).buttonStyle(.borderedProminent)
+            }
+        }
+    }
+}